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SOAP and REST API

Learn detailed insight into various components of web services like SOAP,WSDL, REST, and how they operate.
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Course Duration: 10 Hours
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SOAPUI tool uses groovy scripting to automate webservices. Basic challenge in learning webservice automation is to have an end to end application along with database for practice. We provide you with an application which you can install along with database and practice all types of SOAP as well as REST API calls. Our SOAPUI training course starts from basics of groovy scripting and goes on to cover all advanced fundamentals required to automate/test SOAP and REST( JSON ) calls.

 

This course is designed to remove the sense of overwhelm and "scariness" when we start to talk about APIs. APIs and RESTful APIs come across as difficult or advanced subjects, but really it's just two computers talking to each other and exchanging commands and data. No different than when your friend sends you a text message, and you text back. 

Web services is a standardized way or medium to propagate communication between the client and server applications on the World Wide Web. This course will give a detailed insight into various components of web services like SOAP,WSDL, REST, and how they operate.

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Course Objectives Back to Top

Learn how to develop, deploy, and monitor SOAP and RESTful web services and web service clients with JAX-WS and JAX-RS.

Learn how to implement a Service-Oriented Architecture (SOA) using web services.

Learn how to create and deploy WSDL-first and code-first SOAP web services.

Learn how to build secure SOAP and REST clients.

Learn the basics of microservices. 

Learn to establish communication between microservices, enable load balancing.

Learn how to scale microservices up and down.

Course Syllabus Back to Top

Learn REST API WebService Concepts

Learn REST API Testing methodology

Learn Soap UI Tool

Learn JSON

Implement API Automation Suite in there project.

Implement JMeter for API Testing.

Handling of REST & SOAP API

JMeter components required like Samplers, Listeners, Controllers etc required for API Testing.

Understanding how API testing done with JMeter in real projects.

Certification Back to Top

The SOAP and REST API Certification ensures you know planning, production and measurement techniques needed to stand out from the competition. 

SOAP is a protocol whereas REST is an architectural pattern. SOAP uses service interfaces to expose its functionality to client applications while REST uses Uniform Service locators to access the components on the hardware device. SOAP needs more bandwidth for its usage whereas REST doesn't need much bandwidth.

SOAP is a standard communication protocol system that permits processes using different operating systems like Linux and Windows to communicate via HTTP and its XML. SOAP based APIs are designed to create, recover, update and delete records like accounts, passwords, leads, and custom objects.

A REST API (also known as RESTful API) is an application programming interface (API or web API) that conforms to the constraints of REST architectural style and allows for interaction with RESTful web services. REST stands for representational state transfer and was created by computer scientist Roy Fielding.

Uplatz online training guarantees the participants to successfully go through the  SOAP and REST API Certification provided by Uplatz. Uplatz provides appropriate teaching and expertise training to equip the participants for implementing the learnt concepts in an organization.

Course Completion Certificate will be awarded by Uplatz upon successful completion of the SOAP and REST API online course.

Career & Jobs Back to Top

The SOAP and REST API draws an average salary of $130,000 per year depending on their knowledge and hands-on experience.

Because SOAP is a protocol, and REST is an architectural style. A REST API can actually utilize the SOAP protocol, just like it can use HTTP.

REST is generally faster and uses less bandwidth. It's also easier to integrate with existing websites with no need to refactor site infrastructure. This enables developers to work faster rather than spend time rewriting a site from scratch.

Note that salaries are generally higher at large companies rather than small ones. Your salary will also differ based on the market you work in.

Oracle SOA Developer.

R & D Developer.

Software Engineer manager.

Lead Engineer Tester.

 

 

Interview Questions Back to Top

1. What do you understand by RESTful Web Services?

RESTful web services are services that follow REST architecture. REST stands for Representational State Transfer and uses HTTP protocol (web protocol) for implementation. These services are lightweight, provide maintainability, scalability, support communication among multiple applications that are developed using different programming languages. They provide means of accessing resources present at server required for the client via the web browser by means of request headers, request body, response body, status codes, etc.

2. What is a REST Resource?

Every content in the REST architecture is considered a resource. The resource is analogous to the object in the object-oriented programming world. They can either be represented as text files, HTML pages, images, or any other dynamic data.

  • The REST Server provides access to these resources whereas the REST client consumes (accesses and modifies) these resources. Every resource is identified globally by means of a URI.

3. What is URI?

Uniform Resource Identifier is the full form of URI which is used for identifying each resource of the REST architecture. URI is of the format:

:////

There are 2 types of URI:

  • URN: Uniform Resource Name identifies the resource by means of a name that is both unique and persistent.
    • URN doesn’t always specify where to locate the resource on the internet. They are used as templates that are used by other parsers to identify the resource.
    • These follow the urn scheme and usually prefixed with urn:. Examples include
      • urn:isbn:1234567890 is used for identification of book based on the ISBN number in a library application.
      • urn:mpeg:mpeg7:schema:2001 is the default namespace rules for metadata of MPEG-7 video.
    • Whenever a URN identifies a document, they are easily translated into a URL by using “resolver” after which the document can be downloaded.
  • URL: Uniform Resource Locator has the information regarding fetching of a resource from its location.
    • Examples include:
      • http://abc.com/samplePage.html
      • ftp://sampleServer.com/sampleFile.zip
      • file:///home/interviewbit/sampleFile.txt
    • URLs start with a protocol (like ftp, http etc) and they have the information of the network hostname (sampleServer.com) and the path to the document(/samplePage.html). It can also have query parameters.

 

4. What are the features of RESTful Web Services?

Every RESTful web service has the following features:

  • The service is based on the Client-Server model.
  • The service uses HTTP Protocol for fetching data/resources, query execution, or any other functions.
  • The medium of communication between the client and server is called “Messaging”.
  • Resources are accessible to the service by means of URIs.
  • It follows the statelessness concept where the client request and response are not dependent on others and thereby provides total assurance of getting the required data.
  • These services also use the concept of caching to minimize the server calls for the same type of repeated requests.
  • These services can also use SOAP services as implementation protocol to REST architectural pattern.

5. What is the concept of statelessness in REST?

The REST architecture is designed in such a way that the client state is not maintained on the server. This is known as statelessness. The context is provided by the client to the server using which the server processes the client’s request. The session on the server is identified by the session identifier sent by the client.

6. What do you understand by JAX-RS?

As the name itself stands (JAX-RS= Java API for RESTful Web Services) is a Java-based specification defined by JEE for the implementation of RESTful services. The JAX-RS library makes usage of annotations from Java 5 onwards to simplify the process of web services development. The latest version is 3.0 which was released in June 2020. This specification also provides necessary support to create REST clients.

7. What are HTTP Status codes?

These are the standard codes that refer to the predefined status of the task at the server. Following are the status codes formats available:

  • 1xx - represents informational responses
  • 2xx - represents successful responses
  • 3xx - represents redirects
  • 4xx - represents client errors
  • 5xx - represents server errors

Most commonly used status codes are:

  • 200 - success/OK
  • 201 - CREATED - used in POST or PUT methods.
  • 304 - NOT MODIFIED - used in conditional GET requests to reduce the bandwidth use of the network. Here, the body of the response sent should be empty.
  • 400 - BAD REQUEST - This can be due to validation errors or missing input data.
  • 401- UNAUTHORIZED - This is returned when there is no valid authentication credentials sent along with the request.
  • 403 - FORBIDDEN - sent when the user does not have access (or is forbidden) to the resource.
  • 404 - NOT FOUND - Resource method is not available.
  • 500 - INTERNAL SERVER ERROR - server threw some exceptions while running the method.
  • 502 - BAD GATEWAY - Server was not able to get the response from another upstream server.

8. What are the HTTP Methods?

HTTP Methods are also known as HTTP Verbs. They form a major portion of uniform interface restriction followed by the REST that specifies what action has to be followed to get the requested resource. Below are some examples of HTTP Methods:

  • GET: This is used for fetching details from the server and is basically a read-only operation.
  • POST: This method is used for the creation of new resources on the server.
  • PUT: This method is used to update the old/existing resource on the server or to replace the resource.
  • DELETE: This method is used to delete the resource on the server.
  • PATCH: This is used for modifying the resource on the server.
  • OPTIONS: This fetches the list of supported options of resources present on the server.

The POST, GET, PUT, DELETE corresponds to the create, read, update, delete operations which are most commonly called CRUD Operations.

GET, HEAD, OPTIONS are safe and idempotent methods whereas PUT and DELETE methods are only idempotent. POST and PATCH methods are neither safe nor idempotent.

9. Can you tell the disadvantages of RESTful web services?

The disadvantages are:

  • As the services follow the idea of statelessness, it is not possible to maintain sessions. (Session simulation responsibility lies on the client-side to pass the session id)
  • REST does not impose security restrictions inherently. It inherits the security measures of the protocols implementing it. Hence, care must be chosen to implement security measures like integrating SSL/TLS based authentications, etc.

10. Define Messaging in terms of RESTful web services.

The technique of sending a message from the REST client to the REST server in the form of an HTTP request and the server responding back with the response as HTTP Response is called Messaging. The messages contained constitute the data and the metadata about the message.

 

Course Quiz Back to Top
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Q1. What are the payment options?
A1. We have multiple payment options: 1) Book your course on our webiste by clicking on Buy this course button on top right of this course page 2) Pay via Invoice using any credit or debit card 3) Pay to our UK or India bank account 4) If your HR or employer is making the payment, then we can send them an invoice to pay.

Q2. Will I get certificate?
A2. Yes, you will receive course completion certificate from Uplatz confirming that you have completed this course with Uplatz. Once you complete your learning please submit this for to request for your certificate https://training.uplatz.com/certificate-request.php

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A3. All our video courses comes with lifetime access. Once you purchase a video course with Uplatz you have lifetime access to the course i.e. forever. You can access your course any time via our website and/or mobile app and learn at your own convenience.

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A4. Video courses cannot be downloaded, but you have lifetime access to any video course you purchase on our website. You will be able to play the videos on our our website and mobile app.

Q5. Do you take exam? Do I need to pass exam? How to book exam?
A5. We do not take exam as part of the our training programs whether it is video course or live online class. These courses are professional courses and are offered to upskill and move on in the career ladder. However if there is an associated exam to the subject you are learning with us then you need to contact the relevant examination authority for booking your exam.

Q6. Can I get study material with the course?
A6. The study material might or might not be available for this course. Please note that though we strive to provide you the best materials but we cannot guarantee the exact study material that is mentioned anywhere within the lecture videos. Please submit study material request using the form https://training.uplatz.com/study-material-request.php

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A7. Please refer to our Refund policy mentioned on our website, here is the link to Uplatz refund policy https://training.uplatz.com/refund-and-cancellation-policy.php

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A8. We run promotions and discounts from time to time, we suggest you to register on our website so you can receive our emails related to promotions and offers.

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A9. Overview courses are 1-2 hours short to help you decide if you want to go for the full course on that particular subject. Uplatz overview courses are either free or minimally charged such as GBP 1 / USD 2 / EUR 2 / INR 100

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A11. Bundle courses offered by Uplatz are combo of 2 or more video courses. We have Bundle up the similar technologies together in Bundles so offer you better value in pricing and give you an enhaced learning experience. Check all Bundle courses here https://training.uplatz.com/online-it-courses.php?search=bundle

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A12. Career Path programs are our comprehensive learning package of video course. These are combined in a way by keeping in mind the career you would like to aim after doing career path program. Career path programs ranges from 100 hours to 600 hours and covers wide variety of courses for you to become an expert on those technologies. Check all Career Path Programs here https://training.uplatz.com/online-it-courses.php?career_path_courses=done

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A13. Learning Path programs are dedicated courses designed by SAP professionals to start and enhance their career in an SAP domain. It covers from basic to advance level of all courses across each business function. These programs are available across SAP finance, SAP Logistics, SAP HR, SAP succcessfactors, SAP Technical, SAP Sales, SAP S/4HANA and many more Check all Learning path here https://training.uplatz.com/online-it-courses.php?learning_path_courses=done

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A14. Premium Career tracks are programs consisting of video courses that lead to skills required by C-suite executives such as CEO, CTO, CFO, and so on. These programs will help you gain knowledge and acumen to become a senior management executive.

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Q16. Do you provide software access with video course?
A16. Software access can be purchased seperately at an additional cost. The cost varies from course to course but is generally in between GBP 20 to GBP 40 per month.

Q17. Does your course guarantee a job?
A17. Our course is designed to provide you with a solid foundation in the subject and equip you with valuable skills. While the course is a significant step toward your career goals, its important to note that the job market can vary, and some positions might require additional certifications or experience. Remember that the job landscape is constantly evolving. We encourage you to continue learning and stay updated on industry trends even after completing the course. Many successful professionals combine formal education with ongoing self-improvement to excel in their careers. We are here to support you in your journey!

Q18. Do you provide placement services?
A18. While our course is designed to provide you with a comprehensive understanding of the subject, we currently do not offer placement services as part of the course package. Our main focus is on delivering high-quality education and equipping you with essential skills in this field. However, we understand that finding job opportunities is a crucial aspect of your career journey. We recommend exploring various avenues to enhance your job search:
a) Career Counseling: Seek guidance from career counselors who can provide personalized advice and help you tailor your job search strategy.
b) Networking: Attend industry events, workshops, and conferences to build connections with professionals in your field. Networking can often lead to job referrals and valuable insights.
c) Online Professional Network: Leverage platforms like LinkedIn, a reputable online professional network, to explore job opportunities that resonate with your skills and interests.
d) Online Job Platforms: Investigate prominent online job platforms in your region and submit applications for suitable positions considering both your prior experience and the newly acquired knowledge. e.g in UK the major job platforms are Reed, Indeed, CV library, Total Jobs, Linkedin.
While we may not offer placement services, we are here to support you in other ways. If you have any questions about the industry, job search strategies, or interview preparation, please dont hesitate to reach out. Remember that taking an active role in your job search process can lead to valuable experiences and opportunities.

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Q21. Can I get help from a tutor if I have doubts while learning from a video course?
A21. Tutor support is not available for our video course. If you believe you require assistance from a tutor, we recommend considering our live class option. Please contact our team for the most up-to-date availability. The pricing for live classes typically begins at USD 999 and may vary.



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